-
Notifications
You must be signed in to change notification settings - Fork 1
/
db.go
51 lines (42 loc) · 874 Bytes
/
db.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
package sapi
import (
"fmt"
"time"
_ "github.com/go-sql-driver/mysql"
"github.com/go-xorm/xorm"
)
var engine *xorm.Engine
func InitDb(user, pass, host, dbname string, done chan struct{}) error {
var err error
var dbAddress string
dbAddress = fmt.Sprintf("%s:%s@tcp(%s:3306)/%s", user, pass, host, dbname)
engine, err = xorm.NewEngine("mysql", dbAddress)
if err != nil {
return err
}
//keep db connection alive
go func() {
Seconds := time.NewTimer(time.Second * 1800)
for {
select {
case <-Seconds.C:
engine.Ping()
Seconds.Reset(time.Second * 1800)
case <-done:
return
}
}
}()
return nil
}
func DB() *xorm.Engine {
return engine
}
func Truncate(tables []string) error {
for _, table := range tables {
if _, err := engine.Exec(fmt.Sprintf("truncate table %s", table)); err != nil {
return err
}
}
return nil
}